<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
<title>IceDatagramSocket xref</title>
<link type="text/css" rel="stylesheet" href="../../../../stylesheet.css" />
</head>
<body>
<div id="overview"><a href="../../../../../apidocs/com/barchart/udt/net/IceDatagramSocket.html">View Javadoc</a></div><pre>

<a class="jxr_linenumber" name="1" href="#1">1</a>   <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="2" href="#2">2</a>   <em class="jxr_javadoccomment"> * =================================================================================</em>
<a class="jxr_linenumber" name="3" href="#3">3</a>   <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="4" href="#4">4</a>   <em class="jxr_javadoccomment"> * BSD LICENCE (<a href="http://en.wikipedia.org/wiki/BSD_licenses)" target="alexandria_uri">http://en.wikipedia.org/wiki/BSD_licenses)</a></em>
<a class="jxr_linenumber" name="5" href="#5">5</a>   <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="6" href="#6">6</a>   <em class="jxr_javadoccomment"> * ARTIFACT='barchart-udt4';VERSION='1.0.2-SNAPSHOT';TIMESTAMP='2011-01-11_09-30-59';</em>
<a class="jxr_linenumber" name="7" href="#7">7</a>   <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="8" href="#8">8</a>   <em class="jxr_javadoccomment"> * Copyright (C) 2009-2011, Barchart, Inc. (<a href="http://www.barchart.com/)" target="alexandria_uri">http://www.barchart.com/)</a></em>
<a class="jxr_linenumber" name="9" href="#9">9</a>   <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="10" href="#10">10</a>  <em class="jxr_javadoccomment"> * All rights reserved.</em>
<a class="jxr_linenumber" name="11" href="#11">11</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="12" href="#12">12</a>  <em class="jxr_javadoccomment"> * Redistribution and use in source and binary forms, with or without modification,</em>
<a class="jxr_linenumber" name="13" href="#13">13</a>  <em class="jxr_javadoccomment"> * are permitted provided that the following conditions are met:</em>
<a class="jxr_linenumber" name="14" href="#14">14</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="15" href="#15">15</a>  <em class="jxr_javadoccomment"> *     * Redistributions of source code must retain the above copyright notice,</em>
<a class="jxr_linenumber" name="16" href="#16">16</a>  <em class="jxr_javadoccomment"> *     this list of conditions and the following disclaimer.</em>
<a class="jxr_linenumber" name="17" href="#17">17</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="18" href="#18">18</a>  <em class="jxr_javadoccomment"> *     * Redistributions in binary form must reproduce the above copyright notice,</em>
<a class="jxr_linenumber" name="19" href="#19">19</a>  <em class="jxr_javadoccomment"> *     this list of conditions and the following disclaimer in the documentation</em>
<a class="jxr_linenumber" name="20" href="#20">20</a>  <em class="jxr_javadoccomment"> *     and/or other materials provided with the distribution.</em>
<a class="jxr_linenumber" name="21" href="#21">21</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="22" href="#22">22</a>  <em class="jxr_javadoccomment"> *     * Neither the name of the Barchart, Inc. nor the names of its contributors</em>
<a class="jxr_linenumber" name="23" href="#23">23</a>  <em class="jxr_javadoccomment"> *     may be used to endorse or promote products derived from this software</em>
<a class="jxr_linenumber" name="24" href="#24">24</a>  <em class="jxr_javadoccomment"> *     without specific prior written permission.</em>
<a class="jxr_linenumber" name="25" href="#25">25</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="26" href="#26">26</a>  <em class="jxr_javadoccomment"> * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"</em>
<a class="jxr_linenumber" name="27" href="#27">27</a>  <em class="jxr_javadoccomment"> * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED</em>
<a class="jxr_linenumber" name="28" href="#28">28</a>  <em class="jxr_javadoccomment"> * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.</em>
<a class="jxr_linenumber" name="29" href="#29">29</a>  <em class="jxr_javadoccomment"> * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,</em>
<a class="jxr_linenumber" name="30" href="#30">30</a>  <em class="jxr_javadoccomment"> * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,</em>
<a class="jxr_linenumber" name="31" href="#31">31</a>  <em class="jxr_javadoccomment"> * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,</em>
<a class="jxr_linenumber" name="32" href="#32">32</a>  <em class="jxr_javadoccomment"> * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,</em>
<a class="jxr_linenumber" name="33" href="#33">33</a>  <em class="jxr_javadoccomment"> * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING</em>
<a class="jxr_linenumber" name="34" href="#34">34</a>  <em class="jxr_javadoccomment"> * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</em>
<a class="jxr_linenumber" name="35" href="#35">35</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="36" href="#36">36</a>  <em class="jxr_javadoccomment"> * Developers: Andrei Pozolotin;</em>
<a class="jxr_linenumber" name="37" href="#37">37</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="38" href="#38">38</a>  <em class="jxr_javadoccomment"> * =================================================================================</em>
<a class="jxr_linenumber" name="39" href="#39">39</a>  <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="40" href="#40">40</a>  <strong class="jxr_keyword">package</strong> com.barchart.udt.net;
<a class="jxr_linenumber" name="41" href="#41">41</a>  
<a class="jxr_linenumber" name="42" href="#42">42</a>  <strong class="jxr_keyword">import</strong> java.io.IOException;
<a class="jxr_linenumber" name="43" href="#43">43</a>  <strong class="jxr_keyword">import</strong> java.net.DatagramPacket;
<a class="jxr_linenumber" name="44" href="#44">44</a>  <strong class="jxr_keyword">import</strong> java.net.InetAddress;
<a class="jxr_linenumber" name="45" href="#45">45</a>  <strong class="jxr_keyword">import</strong> java.net.PortUnreachableException;
<a class="jxr_linenumber" name="46" href="#46">46</a>  <strong class="jxr_keyword">import</strong> java.net.SocketAddress;
<a class="jxr_linenumber" name="47" href="#47">47</a>  <strong class="jxr_keyword">import</strong> java.net.SocketException;
<a class="jxr_linenumber" name="48" href="#48">48</a>  <strong class="jxr_keyword">import</strong> java.net.SocketTimeoutException;
<a class="jxr_linenumber" name="49" href="#49">49</a>  <strong class="jxr_keyword">import</strong> java.nio.channels.DatagramChannel;
<a class="jxr_linenumber" name="50" href="#50">50</a>  
<a class="jxr_linenumber" name="51" href="#51">51</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">interface</strong> <a href="../../../../com/barchart/udt/net/IceDatagramSocket.html">IceDatagramSocket</a> {
<a class="jxr_linenumber" name="52" href="#52">52</a>  
<a class="jxr_linenumber" name="53" href="#53">53</a>  	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="54" href="#54">54</a>  <em class="jxr_javadoccomment">	 * Binds this DatagramSocket to a specific address &amp; port.</em>
<a class="jxr_linenumber" name="55" href="#55">55</a>  <em class="jxr_javadoccomment">	 * &lt;p&gt;</em>
<a class="jxr_linenumber" name="56" href="#56">56</a>  <em class="jxr_javadoccomment">	 * If the address is &lt;code&gt;null&lt;/code&gt;, then the system will pick up an</em>
<a class="jxr_linenumber" name="57" href="#57">57</a>  <em class="jxr_javadoccomment">	 * ephemeral port and a valid local address to bind the socket.</em>
<a class="jxr_linenumber" name="58" href="#58">58</a>  <em class="jxr_javadoccomment">	 *&lt;p&gt;</em>
<a class="jxr_linenumber" name="59" href="#59">59</a>  <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="60" href="#60">60</a>  <em class="jxr_javadoccomment">	 * @param addr</em>
<a class="jxr_linenumber" name="61" href="#61">61</a>  <em class="jxr_javadoccomment">	 *            The address &amp; port to bind to.</em>
<a class="jxr_linenumber" name="62" href="#62">62</a>  <em class="jxr_javadoccomment">	 * @throws SocketException</em>
<a class="jxr_linenumber" name="63" href="#63">63</a>  <em class="jxr_javadoccomment">	 *             if any error happens during the bind, or if the socket is</em>
<a class="jxr_linenumber" name="64" href="#64">64</a>  <em class="jxr_javadoccomment">	 *             already bound.</em>
<a class="jxr_linenumber" name="65" href="#65">65</a>  <em class="jxr_javadoccomment">	 * @throws SecurityException</em>
<a class="jxr_linenumber" name="66" href="#66">66</a>  <em class="jxr_javadoccomment">	 *             if a security manager exists and its &lt;code&gt;checkListen&lt;/code&gt;</em>
<a class="jxr_linenumber" name="67" href="#67">67</a>  <em class="jxr_javadoccomment">	 *             method doesn't allow the operation.</em>
<a class="jxr_linenumber" name="68" href="#68">68</a>  <em class="jxr_javadoccomment">	 * @throws IllegalArgumentException</em>
<a class="jxr_linenumber" name="69" href="#69">69</a>  <em class="jxr_javadoccomment">	 *             if addr is a SocketAddress subclass not supported by this</em>
<a class="jxr_linenumber" name="70" href="#70">70</a>  <em class="jxr_javadoccomment">	 *             socket.</em>
<a class="jxr_linenumber" name="71" href="#71">71</a>  <em class="jxr_javadoccomment">	 * @since 1.4</em>
<a class="jxr_linenumber" name="72" href="#72">72</a>  <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="73" href="#73">73</a>  	<strong class="jxr_keyword">void</strong> bind(SocketAddress addr) <strong class="jxr_keyword">throws</strong> SocketException;
<a class="jxr_linenumber" name="74" href="#74">74</a>  
<a class="jxr_linenumber" name="75" href="#75">75</a>  	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="76" href="#76">76</a>  <em class="jxr_javadoccomment">	 * Connects the socket to a remote address for this socket. When a socket is</em>
<a class="jxr_linenumber" name="77" href="#77">77</a>  <em class="jxr_javadoccomment">	 * connected to a remote address, packets may only be sent to or received</em>
<a class="jxr_linenumber" name="78" href="#78">78</a>  <em class="jxr_javadoccomment">	 * from that address. By default a datagram socket is not connected.</em>
<a class="jxr_linenumber" name="79" href="#79">79</a>  <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="80" href="#80">80</a>  <em class="jxr_javadoccomment">	 * &lt;p&gt;</em>
<a class="jxr_linenumber" name="81" href="#81">81</a>  <em class="jxr_javadoccomment">	 * If the remote destination to which the socket is connected does not</em>
<a class="jxr_linenumber" name="82" href="#82">82</a>  <em class="jxr_javadoccomment">	 * exist, or is otherwise unreachable, and if an ICMP destination</em>
<a class="jxr_linenumber" name="83" href="#83">83</a>  <em class="jxr_javadoccomment">	 * unreachable packet has been received for that address, then a subsequent</em>
<a class="jxr_linenumber" name="84" href="#84">84</a>  <em class="jxr_javadoccomment">	 * call to send or receive may throw a PortUnreachableException. Note, there</em>
<a class="jxr_linenumber" name="85" href="#85">85</a>  <em class="jxr_javadoccomment">	 * is no guarantee that the exception will be thrown.</em>
<a class="jxr_linenumber" name="86" href="#86">86</a>  <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="87" href="#87">87</a>  <em class="jxr_javadoccomment">	 * &lt;p&gt;</em>
<a class="jxr_linenumber" name="88" href="#88">88</a>  <em class="jxr_javadoccomment">	 * A caller's permission to send and receive datagrams to a given host and</em>
<a class="jxr_linenumber" name="89" href="#89">89</a>  <em class="jxr_javadoccomment">	 * port are checked at connect time. When a socket is connected, receive and</em>
<a class="jxr_linenumber" name="90" href="#90">90</a>  <em class="jxr_javadoccomment">	 * send &lt;b&gt;will not perform any security checks&lt;/b&gt; on incoming and outgoing</em>
<a class="jxr_linenumber" name="91" href="#91">91</a>  <em class="jxr_javadoccomment">	 * packets, other than matching the packet's and the socket's address and</em>
<a class="jxr_linenumber" name="92" href="#92">92</a>  <em class="jxr_javadoccomment">	 * port. On a send operation, if the packet's address is set and the</em>
<a class="jxr_linenumber" name="93" href="#93">93</a>  <em class="jxr_javadoccomment">	 * packet's address and the socket's address do not match, an</em>
<a class="jxr_linenumber" name="94" href="#94">94</a>  <em class="jxr_javadoccomment">	 * IllegalArgumentException will be thrown. A socket connected to a</em>
<a class="jxr_linenumber" name="95" href="#95">95</a>  <em class="jxr_javadoccomment">	 * multicast address may only be used to send packets.</em>
<a class="jxr_linenumber" name="96" href="#96">96</a>  <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="97" href="#97">97</a>  <em class="jxr_javadoccomment">	 * @param address</em>
<a class="jxr_linenumber" name="98" href="#98">98</a>  <em class="jxr_javadoccomment">	 *            the remote address for the socket</em>
<a class="jxr_linenumber" name="99" href="#99">99</a>  <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="100" href="#100">100</a> <em class="jxr_javadoccomment">	 * @param port</em>
<a class="jxr_linenumber" name="101" href="#101">101</a> <em class="jxr_javadoccomment">	 *            the remote port for the socket.</em>
<a class="jxr_linenumber" name="102" href="#102">102</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="103" href="#103">103</a> <em class="jxr_javadoccomment">	 * @exception IllegalArgumentException</em>
<a class="jxr_linenumber" name="104" href="#104">104</a> <em class="jxr_javadoccomment">	 *                if the address is null, or the port is out of range.</em>
<a class="jxr_linenumber" name="105" href="#105">105</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="106" href="#106">106</a> <em class="jxr_javadoccomment">	 * @exception SecurityException</em>
<a class="jxr_linenumber" name="107" href="#107">107</a> <em class="jxr_javadoccomment">	 *                if the caller is not allowed to send datagrams to and</em>
<a class="jxr_linenumber" name="108" href="#108">108</a> <em class="jxr_javadoccomment">	 *                receive datagrams from the address and port.</em>
<a class="jxr_linenumber" name="109" href="#109">109</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="110" href="#110">110</a> <em class="jxr_javadoccomment">	 * @see #disconnect</em>
<a class="jxr_linenumber" name="111" href="#111">111</a> <em class="jxr_javadoccomment">	 * @see #send</em>
<a class="jxr_linenumber" name="112" href="#112">112</a> <em class="jxr_javadoccomment">	 * @see #receive</em>
<a class="jxr_linenumber" name="113" href="#113">113</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="114" href="#114">114</a> 	<strong class="jxr_keyword">void</strong> connect(InetAddress address, <strong class="jxr_keyword">int</strong> port);
<a class="jxr_linenumber" name="115" href="#115">115</a> 
<a class="jxr_linenumber" name="116" href="#116">116</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="117" href="#117">117</a> <em class="jxr_javadoccomment">	 * Connects this socket to a remote socket address (IP address + port</em>
<a class="jxr_linenumber" name="118" href="#118">118</a> <em class="jxr_javadoccomment">	 * number).</em>
<a class="jxr_linenumber" name="119" href="#119">119</a> <em class="jxr_javadoccomment">	 * &lt;p&gt;</em>
<a class="jxr_linenumber" name="120" href="#120">120</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="121" href="#121">121</a> <em class="jxr_javadoccomment">	 * @param addr</em>
<a class="jxr_linenumber" name="122" href="#122">122</a> <em class="jxr_javadoccomment">	 *            The remote address.</em>
<a class="jxr_linenumber" name="123" href="#123">123</a> <em class="jxr_javadoccomment">	 * @throws SocketException</em>
<a class="jxr_linenumber" name="124" href="#124">124</a> <em class="jxr_javadoccomment">	 *             if the connect fails</em>
<a class="jxr_linenumber" name="125" href="#125">125</a> <em class="jxr_javadoccomment">	 * @throws IllegalArgumentException</em>
<a class="jxr_linenumber" name="126" href="#126">126</a> <em class="jxr_javadoccomment">	 *             if addr is null or addr is a SocketAddress subclass not</em>
<a class="jxr_linenumber" name="127" href="#127">127</a> <em class="jxr_javadoccomment">	 *             supported by this socket</em>
<a class="jxr_linenumber" name="128" href="#128">128</a> <em class="jxr_javadoccomment">	 * @since 1.4</em>
<a class="jxr_linenumber" name="129" href="#129">129</a> <em class="jxr_javadoccomment">	 * @see #connect</em>
<a class="jxr_linenumber" name="130" href="#130">130</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="131" href="#131">131</a> 	<strong class="jxr_keyword">void</strong> connect(SocketAddress addr) <strong class="jxr_keyword">throws</strong> SocketException;
<a class="jxr_linenumber" name="132" href="#132">132</a> 
<a class="jxr_linenumber" name="133" href="#133">133</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="134" href="#134">134</a> <em class="jxr_javadoccomment">	 * Disconnects the socket. This does nothing if the socket is not connected.</em>
<a class="jxr_linenumber" name="135" href="#135">135</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="136" href="#136">136</a> <em class="jxr_javadoccomment">	 * @see #connect</em>
<a class="jxr_linenumber" name="137" href="#137">137</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="138" href="#138">138</a> 	<strong class="jxr_keyword">void</strong> disconnect();
<a class="jxr_linenumber" name="139" href="#139">139</a> 
<a class="jxr_linenumber" name="140" href="#140">140</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="141" href="#141">141</a> <em class="jxr_javadoccomment">	 * Returns the binding state of the socket.</em>
<a class="jxr_linenumber" name="142" href="#142">142</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="143" href="#143">143</a> <em class="jxr_javadoccomment">	 * @return true if the socket succesfuly bound to an address</em>
<a class="jxr_linenumber" name="144" href="#144">144</a> <em class="jxr_javadoccomment">	 * @since 1.4</em>
<a class="jxr_linenumber" name="145" href="#145">145</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="146" href="#146">146</a> 	<strong class="jxr_keyword">boolean</strong> isBound();
<a class="jxr_linenumber" name="147" href="#147">147</a> 
<a class="jxr_linenumber" name="148" href="#148">148</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="149" href="#149">149</a> <em class="jxr_javadoccomment">	 * Returns the connection state of the socket.</em>
<a class="jxr_linenumber" name="150" href="#150">150</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="151" href="#151">151</a> <em class="jxr_javadoccomment">	 * @return true if the socket succesfuly connected to a server</em>
<a class="jxr_linenumber" name="152" href="#152">152</a> <em class="jxr_javadoccomment">	 * @since 1.4</em>
<a class="jxr_linenumber" name="153" href="#153">153</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="154" href="#154">154</a> 	<strong class="jxr_keyword">boolean</strong> isConnected();
<a class="jxr_linenumber" name="155" href="#155">155</a> 
<a class="jxr_linenumber" name="156" href="#156">156</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="157" href="#157">157</a> <em class="jxr_javadoccomment">	 * Returns the address to which this socket is connected. Returns null if</em>
<a class="jxr_linenumber" name="158" href="#158">158</a> <em class="jxr_javadoccomment">	 * the socket is not connected.</em>
<a class="jxr_linenumber" name="159" href="#159">159</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="160" href="#160">160</a> <em class="jxr_javadoccomment">	 * @return the address to which this socket is connected.</em>
<a class="jxr_linenumber" name="161" href="#161">161</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="162" href="#162">162</a> 	InetAddress getInetAddress();
<a class="jxr_linenumber" name="163" href="#163">163</a> 
<a class="jxr_linenumber" name="164" href="#164">164</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="165" href="#165">165</a> <em class="jxr_javadoccomment">	 * Returns the port for this socket. Returns -1 if the socket is not</em>
<a class="jxr_linenumber" name="166" href="#166">166</a> <em class="jxr_javadoccomment">	 * connected.</em>
<a class="jxr_linenumber" name="167" href="#167">167</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="168" href="#168">168</a> <em class="jxr_javadoccomment">	 * @return the port to which this socket is connected.</em>
<a class="jxr_linenumber" name="169" href="#169">169</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="170" href="#170">170</a> 	<strong class="jxr_keyword">int</strong> getPort();
<a class="jxr_linenumber" name="171" href="#171">171</a> 
<a class="jxr_linenumber" name="172" href="#172">172</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="173" href="#173">173</a> <em class="jxr_javadoccomment">	 * Returns the address of the endpoint this socket is connected to, or</em>
<a class="jxr_linenumber" name="174" href="#174">174</a> <em class="jxr_javadoccomment">	 * &lt;code&gt;null&lt;/code&gt; if it is unconnected.</em>
<a class="jxr_linenumber" name="175" href="#175">175</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="176" href="#176">176</a> <em class="jxr_javadoccomment">	 * @return a &lt;code&gt;SocketAddress&lt;/code&gt; representing the remote endpoint of</em>
<a class="jxr_linenumber" name="177" href="#177">177</a> <em class="jxr_javadoccomment">	 *         this socket, or &lt;code&gt;null&lt;/code&gt; if it is not connected yet.</em>
<a class="jxr_linenumber" name="178" href="#178">178</a> <em class="jxr_javadoccomment">	 * @see #getInetAddress()</em>
<a class="jxr_linenumber" name="179" href="#179">179</a> <em class="jxr_javadoccomment">	 * @see #getPort()</em>
<a class="jxr_linenumber" name="180" href="#180">180</a> <em class="jxr_javadoccomment">	 * @see #connect(SocketAddress)</em>
<a class="jxr_linenumber" name="181" href="#181">181</a> <em class="jxr_javadoccomment">	 * @since 1.4</em>
<a class="jxr_linenumber" name="182" href="#182">182</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="183" href="#183">183</a> 	SocketAddress getRemoteSocketAddress();
<a class="jxr_linenumber" name="184" href="#184">184</a> 
<a class="jxr_linenumber" name="185" href="#185">185</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="186" href="#186">186</a> <em class="jxr_javadoccomment">	 * Returns the address of the endpoint this socket is bound to, or</em>
<a class="jxr_linenumber" name="187" href="#187">187</a> <em class="jxr_javadoccomment">	 * &lt;code&gt;null&lt;/code&gt; if it is not bound yet.</em>
<a class="jxr_linenumber" name="188" href="#188">188</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="189" href="#189">189</a> <em class="jxr_javadoccomment">	 * @return a &lt;code&gt;SocketAddress&lt;/code&gt; representing the local endpoint of</em>
<a class="jxr_linenumber" name="190" href="#190">190</a> <em class="jxr_javadoccomment">	 *         this socket, or &lt;code&gt;null&lt;/code&gt; if it is not bound yet.</em>
<a class="jxr_linenumber" name="191" href="#191">191</a> <em class="jxr_javadoccomment">	 * @see #getLocalAddress()</em>
<a class="jxr_linenumber" name="192" href="#192">192</a> <em class="jxr_javadoccomment">	 * @see #getLocalPort()</em>
<a class="jxr_linenumber" name="193" href="#193">193</a> <em class="jxr_javadoccomment">	 * @see #bind(SocketAddress)</em>
<a class="jxr_linenumber" name="194" href="#194">194</a> <em class="jxr_javadoccomment">	 * @since 1.4</em>
<a class="jxr_linenumber" name="195" href="#195">195</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="196" href="#196">196</a> 
<a class="jxr_linenumber" name="197" href="#197">197</a> 	SocketAddress getLocalSocketAddress();
<a class="jxr_linenumber" name="198" href="#198">198</a> 
<a class="jxr_linenumber" name="199" href="#199">199</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="200" href="#200">200</a> <em class="jxr_javadoccomment">	 * Sends a datagram packet from this socket. The &lt;code&gt;DatagramPacket&lt;/code&gt;</em>
<a class="jxr_linenumber" name="201" href="#201">201</a> <em class="jxr_javadoccomment">	 * includes information indicating the data to be sent, its length, the IP</em>
<a class="jxr_linenumber" name="202" href="#202">202</a> <em class="jxr_javadoccomment">	 * address of the remote host, and the port number on the remote host.</em>
<a class="jxr_linenumber" name="203" href="#203">203</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="204" href="#204">204</a> <em class="jxr_javadoccomment">	 * &lt;p&gt;</em>
<a class="jxr_linenumber" name="205" href="#205">205</a> <em class="jxr_javadoccomment">	 * If there is a security manager, and the socket is not currently connected</em>
<a class="jxr_linenumber" name="206" href="#206">206</a> <em class="jxr_javadoccomment">	 * to a remote address, this method first performs some security checks.</em>
<a class="jxr_linenumber" name="207" href="#207">207</a> <em class="jxr_javadoccomment">	 * First, if &lt;code&gt;p.getAddress().isMulticastAddress()&lt;/code&gt; is true, this</em>
<a class="jxr_linenumber" name="208" href="#208">208</a> <em class="jxr_javadoccomment">	 * method calls the security manager's &lt;code&gt;checkMulticast&lt;/code&gt; method</em>
<a class="jxr_linenumber" name="209" href="#209">209</a> <em class="jxr_javadoccomment">	 * with &lt;code&gt;p.getAddress()&lt;/code&gt; as its argument. If the evaluation of</em>
<a class="jxr_linenumber" name="210" href="#210">210</a> <em class="jxr_javadoccomment">	 * that expression is false, this method instead calls the security</em>
<a class="jxr_linenumber" name="211" href="#211">211</a> <em class="jxr_javadoccomment">	 * manager's &lt;code&gt;checkConnect&lt;/code&gt; method with arguments</em>
<a class="jxr_linenumber" name="212" href="#212">212</a> <em class="jxr_javadoccomment">	 * &lt;code&gt;p.getAddress().getHostAddress()&lt;/code&gt; and &lt;code&gt;p.getPort()&lt;/code&gt;</em>
<a class="jxr_linenumber" name="213" href="#213">213</a> <em class="jxr_javadoccomment">	 * . Each call to a security manager method could result in a</em>
<a class="jxr_linenumber" name="214" href="#214">214</a> <em class="jxr_javadoccomment">	 * SecurityException if the operation is not allowed.</em>
<a class="jxr_linenumber" name="215" href="#215">215</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="216" href="#216">216</a> <em class="jxr_javadoccomment">	 * @param p</em>
<a class="jxr_linenumber" name="217" href="#217">217</a> <em class="jxr_javadoccomment">	 *            the &lt;code&gt;DatagramPacket&lt;/code&gt; to be sent.</em>
<a class="jxr_linenumber" name="218" href="#218">218</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="219" href="#219">219</a> <em class="jxr_javadoccomment">	 * @exception IOException</em>
<a class="jxr_linenumber" name="220" href="#220">220</a> <em class="jxr_javadoccomment">	 *                if an I/O error occurs.</em>
<a class="jxr_linenumber" name="221" href="#221">221</a> <em class="jxr_javadoccomment">	 * @exception SecurityException</em>
<a class="jxr_linenumber" name="222" href="#222">222</a> <em class="jxr_javadoccomment">	 *                if a security manager exists and its</em>
<a class="jxr_linenumber" name="223" href="#223">223</a> <em class="jxr_javadoccomment">	 *                &lt;code&gt;checkMulticast&lt;/code&gt; or &lt;code&gt;checkConnect&lt;/code&gt;</em>
<a class="jxr_linenumber" name="224" href="#224">224</a> <em class="jxr_javadoccomment">	 *                method doesn't allow the send.</em>
<a class="jxr_linenumber" name="225" href="#225">225</a> <em class="jxr_javadoccomment">	 * @exception PortUnreachableException</em>
<a class="jxr_linenumber" name="226" href="#226">226</a> <em class="jxr_javadoccomment">	 *                may be thrown if the socket is connected to a currently</em>
<a class="jxr_linenumber" name="227" href="#227">227</a> <em class="jxr_javadoccomment">	 *                unreachable destination. Note, there is no guarantee that</em>
<a class="jxr_linenumber" name="228" href="#228">228</a> <em class="jxr_javadoccomment">	 *                the exception will be thrown.</em>
<a class="jxr_linenumber" name="229" href="#229">229</a> <em class="jxr_javadoccomment">	 * @exception java.nio.channels.IllegalBlockingModeException</em>
<a class="jxr_linenumber" name="230" href="#230">230</a> <em class="jxr_javadoccomment">	 *                if this socket has an associated channel, and the channel</em>
<a class="jxr_linenumber" name="231" href="#231">231</a> <em class="jxr_javadoccomment">	 *                is in non-blocking mode.</em>
<a class="jxr_linenumber" name="232" href="#232">232</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="233" href="#233">233</a> <em class="jxr_javadoccomment">	 * @see java.net.DatagramPacket</em>
<a class="jxr_linenumber" name="234" href="#234">234</a> <em class="jxr_javadoccomment">	 * @see SecurityManager#checkMulticast(InetAddress)</em>
<a class="jxr_linenumber" name="235" href="#235">235</a> <em class="jxr_javadoccomment">	 * @see SecurityManager#checkConnect revised 1.4 spec JSR-51</em>
<a class="jxr_linenumber" name="236" href="#236">236</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="237" href="#237">237</a> 	<strong class="jxr_keyword">void</strong> send(DatagramPacket p) <strong class="jxr_keyword">throws</strong> IOException;
<a class="jxr_linenumber" name="238" href="#238">238</a> 
<a class="jxr_linenumber" name="239" href="#239">239</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="240" href="#240">240</a> <em class="jxr_javadoccomment">	 * Receives a datagram packet from this socket. When this method returns,</em>
<a class="jxr_linenumber" name="241" href="#241">241</a> <em class="jxr_javadoccomment">	 * the &lt;code&gt;DatagramPacket&lt;/code&gt;'s buffer is filled with the data</em>
<a class="jxr_linenumber" name="242" href="#242">242</a> <em class="jxr_javadoccomment">	 * received. The datagram packet also contains the sender's IP address, and</em>
<a class="jxr_linenumber" name="243" href="#243">243</a> <em class="jxr_javadoccomment">	 * the port number on the sender's machine.</em>
<a class="jxr_linenumber" name="244" href="#244">244</a> <em class="jxr_javadoccomment">	 * &lt;p&gt;</em>
<a class="jxr_linenumber" name="245" href="#245">245</a> <em class="jxr_javadoccomment">	 * This method blocks until a datagram is received. The &lt;code&gt;length&lt;/code&gt;</em>
<a class="jxr_linenumber" name="246" href="#246">246</a> <em class="jxr_javadoccomment">	 * field of the datagram packet object contains the length of the received</em>
<a class="jxr_linenumber" name="247" href="#247">247</a> <em class="jxr_javadoccomment">	 * message. If the message is longer than the packet's length, the message</em>
<a class="jxr_linenumber" name="248" href="#248">248</a> <em class="jxr_javadoccomment">	 * is truncated.</em>
<a class="jxr_linenumber" name="249" href="#249">249</a> <em class="jxr_javadoccomment">	 * &lt;p&gt;</em>
<a class="jxr_linenumber" name="250" href="#250">250</a> <em class="jxr_javadoccomment">	 * If there is a security manager, a packet cannot be received if the</em>
<a class="jxr_linenumber" name="251" href="#251">251</a> <em class="jxr_javadoccomment">	 * security manager's &lt;code&gt;checkAccept&lt;/code&gt; method does not allow it.</em>
<a class="jxr_linenumber" name="252" href="#252">252</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="253" href="#253">253</a> <em class="jxr_javadoccomment">	 * @param p</em>
<a class="jxr_linenumber" name="254" href="#254">254</a> <em class="jxr_javadoccomment">	 *            the &lt;code&gt;DatagramPacket&lt;/code&gt; into which to place the</em>
<a class="jxr_linenumber" name="255" href="#255">255</a> <em class="jxr_javadoccomment">	 *            incoming data.</em>
<a class="jxr_linenumber" name="256" href="#256">256</a> <em class="jxr_javadoccomment">	 * @exception IOException</em>
<a class="jxr_linenumber" name="257" href="#257">257</a> <em class="jxr_javadoccomment">	 *                if an I/O error occurs.</em>
<a class="jxr_linenumber" name="258" href="#258">258</a> <em class="jxr_javadoccomment">	 * @exception SocketTimeoutException</em>
<a class="jxr_linenumber" name="259" href="#259">259</a> <em class="jxr_javadoccomment">	 *                if setSoTimeout was previously called and the timeout has</em>
<a class="jxr_linenumber" name="260" href="#260">260</a> <em class="jxr_javadoccomment">	 *                expired.</em>
<a class="jxr_linenumber" name="261" href="#261">261</a> <em class="jxr_javadoccomment">	 * @exception PortUnreachableException</em>
<a class="jxr_linenumber" name="262" href="#262">262</a> <em class="jxr_javadoccomment">	 *                may be thrown if the socket is connected to a currently</em>
<a class="jxr_linenumber" name="263" href="#263">263</a> <em class="jxr_javadoccomment">	 *                unreachable destination. Note, there is no guarantee that</em>
<a class="jxr_linenumber" name="264" href="#264">264</a> <em class="jxr_javadoccomment">	 *                the exception will be thrown.</em>
<a class="jxr_linenumber" name="265" href="#265">265</a> <em class="jxr_javadoccomment">	 * @exception java.nio.channels.IllegalBlockingModeException</em>
<a class="jxr_linenumber" name="266" href="#266">266</a> <em class="jxr_javadoccomment">	 *                if this socket has an associated channel, and the channel</em>
<a class="jxr_linenumber" name="267" href="#267">267</a> <em class="jxr_javadoccomment">	 *                is in non-blocking mode.</em>
<a class="jxr_linenumber" name="268" href="#268">268</a> <em class="jxr_javadoccomment">	 * @see java.net.DatagramPacket</em>
<a class="jxr_linenumber" name="269" href="#269">269</a> <em class="jxr_javadoccomment">	 * @see java.net.DatagramSocket revised 1.4 spec JSR-51</em>
<a class="jxr_linenumber" name="270" href="#270">270</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="271" href="#271">271</a> 	<strong class="jxr_keyword">void</strong> receive(DatagramPacket p) <strong class="jxr_keyword">throws</strong> IOException;
<a class="jxr_linenumber" name="272" href="#272">272</a> 
<a class="jxr_linenumber" name="273" href="#273">273</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="274" href="#274">274</a> <em class="jxr_javadoccomment">	 * Gets the local address to which the socket is bound.</em>
<a class="jxr_linenumber" name="275" href="#275">275</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="276" href="#276">276</a> <em class="jxr_javadoccomment">	 * &lt;p&gt;</em>
<a class="jxr_linenumber" name="277" href="#277">277</a> <em class="jxr_javadoccomment">	 * If there is a security manager, its &lt;code&gt;checkConnect&lt;/code&gt; method is</em>
<a class="jxr_linenumber" name="278" href="#278">278</a> <em class="jxr_javadoccomment">	 * first called with the host address and &lt;code&gt;-1&lt;/code&gt; as its arguments</em>
<a class="jxr_linenumber" name="279" href="#279">279</a> <em class="jxr_javadoccomment">	 * to see if the operation is allowed.</em>
<a class="jxr_linenumber" name="280" href="#280">280</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="281" href="#281">281</a> <em class="jxr_javadoccomment">	 * @see SecurityManager#checkConnect</em>
<a class="jxr_linenumber" name="282" href="#282">282</a> <em class="jxr_javadoccomment">	 * @return the local address to which the socket is bound, or an</em>
<a class="jxr_linenumber" name="283" href="#283">283</a> <em class="jxr_javadoccomment">	 *         &lt;code&gt;InetAddress&lt;/code&gt; representing any local address if either</em>
<a class="jxr_linenumber" name="284" href="#284">284</a> <em class="jxr_javadoccomment">	 *         the socket is not bound, or the security manager</em>
<a class="jxr_linenumber" name="285" href="#285">285</a> <em class="jxr_javadoccomment">	 *         &lt;code&gt;checkConnect&lt;/code&gt; method does not allow the operation</em>
<a class="jxr_linenumber" name="286" href="#286">286</a> <em class="jxr_javadoccomment">	 * @since 1.1</em>
<a class="jxr_linenumber" name="287" href="#287">287</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="288" href="#288">288</a> 	InetAddress getLocalAddress();
<a class="jxr_linenumber" name="289" href="#289">289</a> 
<a class="jxr_linenumber" name="290" href="#290">290</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="291" href="#291">291</a> <em class="jxr_javadoccomment">	 * Returns the port number on the local host to which this socket is bound.</em>
<a class="jxr_linenumber" name="292" href="#292">292</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="293" href="#293">293</a> <em class="jxr_javadoccomment">	 * @return the port number on the local host to which this socket is bound.</em>
<a class="jxr_linenumber" name="294" href="#294">294</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="295" href="#295">295</a> 	<strong class="jxr_keyword">int</strong> getLocalPort();
<a class="jxr_linenumber" name="296" href="#296">296</a> 
<a class="jxr_linenumber" name="297" href="#297">297</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="298" href="#298">298</a> <em class="jxr_javadoccomment">	 * Enable/disable SO_TIMEOUT with the specified timeout, in milliseconds.</em>
<a class="jxr_linenumber" name="299" href="#299">299</a> <em class="jxr_javadoccomment">	 * With this option set to a non-zero timeout, a call to receive() for this</em>
<a class="jxr_linenumber" name="300" href="#300">300</a> <em class="jxr_javadoccomment">	 * DatagramSocket will block for only this amount of time. If the timeout</em>
<a class="jxr_linenumber" name="301" href="#301">301</a> <em class="jxr_javadoccomment">	 * expires, a &lt;B&gt;java.net.SocketTimeoutException&lt;/B&gt; is raised, though the</em>
<a class="jxr_linenumber" name="302" href="#302">302</a> <em class="jxr_javadoccomment">	 * DatagramSocket is still valid. The option &lt;B&gt;must&lt;/B&gt; be enabled prior to</em>
<a class="jxr_linenumber" name="303" href="#303">303</a> <em class="jxr_javadoccomment">	 * entering the blocking operation to have effect. The timeout must be &gt; 0.</em>
<a class="jxr_linenumber" name="304" href="#304">304</a> <em class="jxr_javadoccomment">	 * A timeout of zero is interpreted as an infinite timeout.</em>
<a class="jxr_linenumber" name="305" href="#305">305</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="306" href="#306">306</a> <em class="jxr_javadoccomment">	 * @param timeout</em>
<a class="jxr_linenumber" name="307" href="#307">307</a> <em class="jxr_javadoccomment">	 *            the specified timeout in milliseconds.</em>
<a class="jxr_linenumber" name="308" href="#308">308</a> <em class="jxr_javadoccomment">	 * @throws SocketException</em>
<a class="jxr_linenumber" name="309" href="#309">309</a> <em class="jxr_javadoccomment">	 *             if there is an error in the underlying protocol, such as an</em>
<a class="jxr_linenumber" name="310" href="#310">310</a> <em class="jxr_javadoccomment">	 *             UDP error.</em>
<a class="jxr_linenumber" name="311" href="#311">311</a> <em class="jxr_javadoccomment">	 * @since JDK1.1</em>
<a class="jxr_linenumber" name="312" href="#312">312</a> <em class="jxr_javadoccomment">	 * @see #getSoTimeout()</em>
<a class="jxr_linenumber" name="313" href="#313">313</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="314" href="#314">314</a> 	<strong class="jxr_keyword">void</strong> setSoTimeout(<strong class="jxr_keyword">int</strong> timeout) <strong class="jxr_keyword">throws</strong> SocketException;
<a class="jxr_linenumber" name="315" href="#315">315</a> 
<a class="jxr_linenumber" name="316" href="#316">316</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="317" href="#317">317</a> <em class="jxr_javadoccomment">	 * Retrieve setting for SO_TIMEOUT. 0 returns implies that the option is</em>
<a class="jxr_linenumber" name="318" href="#318">318</a> <em class="jxr_javadoccomment">	 * disabled (i.e., timeout of infinity).</em>
<a class="jxr_linenumber" name="319" href="#319">319</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="320" href="#320">320</a> <em class="jxr_javadoccomment">	 * @return the setting for SO_TIMEOUT</em>
<a class="jxr_linenumber" name="321" href="#321">321</a> <em class="jxr_javadoccomment">	 * @throws SocketException</em>
<a class="jxr_linenumber" name="322" href="#322">322</a> <em class="jxr_javadoccomment">	 *             if there is an error in the underlying protocol, such as an</em>
<a class="jxr_linenumber" name="323" href="#323">323</a> <em class="jxr_javadoccomment">	 *             UDP error.</em>
<a class="jxr_linenumber" name="324" href="#324">324</a> <em class="jxr_javadoccomment">	 * @since JDK1.1</em>
<a class="jxr_linenumber" name="325" href="#325">325</a> <em class="jxr_javadoccomment">	 * @see #setSoTimeout(int)</em>
<a class="jxr_linenumber" name="326" href="#326">326</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="327" href="#327">327</a> 	<strong class="jxr_keyword">int</strong> getSoTimeout() <strong class="jxr_keyword">throws</strong> SocketException;
<a class="jxr_linenumber" name="328" href="#328">328</a> 
<a class="jxr_linenumber" name="329" href="#329">329</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="330" href="#330">330</a> <em class="jxr_javadoccomment">	 * Sets the SO_SNDBUF option to the specified value for this</em>
<a class="jxr_linenumber" name="331" href="#331">331</a> <em class="jxr_javadoccomment">	 * &lt;tt&gt;DatagramSocket&lt;/tt&gt;. The SO_SNDBUF option is used by the network</em>
<a class="jxr_linenumber" name="332" href="#332">332</a> <em class="jxr_javadoccomment">	 * implementation as a hint to size the underlying network I/O buffers. The</em>
<a class="jxr_linenumber" name="333" href="#333">333</a> <em class="jxr_javadoccomment">	 * SO_SNDBUF setting may also be used by the network implementation to</em>
<a class="jxr_linenumber" name="334" href="#334">334</a> <em class="jxr_javadoccomment">	 * determine the maximum size of the packet that can be sent on this socket.</em>
<a class="jxr_linenumber" name="335" href="#335">335</a> <em class="jxr_javadoccomment">	 * &lt;p&gt;</em>
<a class="jxr_linenumber" name="336" href="#336">336</a> <em class="jxr_javadoccomment">	 * As SO_SNDBUF is a hint, applications that want to verify what size the</em>
<a class="jxr_linenumber" name="337" href="#337">337</a> <em class="jxr_javadoccomment">	 * buffer is should call {@link #getSendBufferSize()}.</em>
<a class="jxr_linenumber" name="338" href="#338">338</a> <em class="jxr_javadoccomment">	 * &lt;p&gt;</em>
<a class="jxr_linenumber" name="339" href="#339">339</a> <em class="jxr_javadoccomment">	 * Increasing the buffer size may allow multiple outgoing packets to be</em>
<a class="jxr_linenumber" name="340" href="#340">340</a> <em class="jxr_javadoccomment">	 * queued by the network implementation when the send rate is high.</em>
<a class="jxr_linenumber" name="341" href="#341">341</a> <em class="jxr_javadoccomment">	 * &lt;p&gt;</em>
<a class="jxr_linenumber" name="342" href="#342">342</a> <em class="jxr_javadoccomment">	 * Note: If {@link #send(DatagramPacket)} is used to send a</em>
<a class="jxr_linenumber" name="343" href="#343">343</a> <em class="jxr_javadoccomment">	 * &lt;code&gt;DatagramPacket&lt;/code&gt; that is larger than the setting of SO_SNDBUF</em>
<a class="jxr_linenumber" name="344" href="#344">344</a> <em class="jxr_javadoccomment">	 * then it is implementation specific if the packet is sent or discarded.</em>
<a class="jxr_linenumber" name="345" href="#345">345</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="346" href="#346">346</a> <em class="jxr_javadoccomment">	 * @param size</em>
<a class="jxr_linenumber" name="347" href="#347">347</a> <em class="jxr_javadoccomment">	 *            the size to which to set the send buffer size. This value must</em>
<a class="jxr_linenumber" name="348" href="#348">348</a> <em class="jxr_javadoccomment">	 *            be greater than 0.</em>
<a class="jxr_linenumber" name="349" href="#349">349</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="350" href="#350">350</a> <em class="jxr_javadoccomment">	 * @exception SocketException</em>
<a class="jxr_linenumber" name="351" href="#351">351</a> <em class="jxr_javadoccomment">	 *                if there is an error in the underlying protocol, such as</em>
<a class="jxr_linenumber" name="352" href="#352">352</a> <em class="jxr_javadoccomment">	 *                an UDP error.</em>
<a class="jxr_linenumber" name="353" href="#353">353</a> <em class="jxr_javadoccomment">	 * @exception IllegalArgumentException</em>
<a class="jxr_linenumber" name="354" href="#354">354</a> <em class="jxr_javadoccomment">	 *                if the value is 0 or is negative.</em>
<a class="jxr_linenumber" name="355" href="#355">355</a> <em class="jxr_javadoccomment">	 * @see #getSendBufferSize()</em>
<a class="jxr_linenumber" name="356" href="#356">356</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="357" href="#357">357</a> 	<strong class="jxr_keyword">void</strong> setSendBufferSize(<strong class="jxr_keyword">int</strong> size) <strong class="jxr_keyword">throws</strong> SocketException;
<a class="jxr_linenumber" name="358" href="#358">358</a> 
<a class="jxr_linenumber" name="359" href="#359">359</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="360" href="#360">360</a> <em class="jxr_javadoccomment">	 * Get value of the SO_SNDBUF option for this &lt;tt&gt;DatagramSocket&lt;/tt&gt;, that</em>
<a class="jxr_linenumber" name="361" href="#361">361</a> <em class="jxr_javadoccomment">	 * is the buffer size used by the platform for output on this</em>
<a class="jxr_linenumber" name="362" href="#362">362</a> <em class="jxr_javadoccomment">	 * &lt;tt&gt;DatagramSocket&lt;/tt&gt;.</em>
<a class="jxr_linenumber" name="363" href="#363">363</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="364" href="#364">364</a> <em class="jxr_javadoccomment">	 * @return the value of the SO_SNDBUF option for this</em>
<a class="jxr_linenumber" name="365" href="#365">365</a> <em class="jxr_javadoccomment">	 *         &lt;tt&gt;DatagramSocket&lt;/tt&gt;</em>
<a class="jxr_linenumber" name="366" href="#366">366</a> <em class="jxr_javadoccomment">	 * @exception SocketException</em>
<a class="jxr_linenumber" name="367" href="#367">367</a> <em class="jxr_javadoccomment">	 *                if there is an error in the underlying protocol, such as</em>
<a class="jxr_linenumber" name="368" href="#368">368</a> <em class="jxr_javadoccomment">	 *                an UDP error.</em>
<a class="jxr_linenumber" name="369" href="#369">369</a> <em class="jxr_javadoccomment">	 * @see #setSendBufferSize</em>
<a class="jxr_linenumber" name="370" href="#370">370</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="371" href="#371">371</a> 	<strong class="jxr_keyword">int</strong> getSendBufferSize() <strong class="jxr_keyword">throws</strong> SocketException;
<a class="jxr_linenumber" name="372" href="#372">372</a> 
<a class="jxr_linenumber" name="373" href="#373">373</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="374" href="#374">374</a> <em class="jxr_javadoccomment">	 * Sets the SO_RCVBUF option to the specified value for this</em>
<a class="jxr_linenumber" name="375" href="#375">375</a> <em class="jxr_javadoccomment">	 * &lt;tt&gt;DatagramSocket&lt;/tt&gt;. The SO_RCVBUF option is used by the the network</em>
<a class="jxr_linenumber" name="376" href="#376">376</a> <em class="jxr_javadoccomment">	 * implementation as a hint to size the underlying network I/O buffers. The</em>
<a class="jxr_linenumber" name="377" href="#377">377</a> <em class="jxr_javadoccomment">	 * SO_RCVBUF setting may also be used by the network implementation to</em>
<a class="jxr_linenumber" name="378" href="#378">378</a> <em class="jxr_javadoccomment">	 * determine the maximum size of the packet that can be received on this</em>
<a class="jxr_linenumber" name="379" href="#379">379</a> <em class="jxr_javadoccomment">	 * socket.</em>
<a class="jxr_linenumber" name="380" href="#380">380</a> <em class="jxr_javadoccomment">	 * &lt;p&gt;</em>
<a class="jxr_linenumber" name="381" href="#381">381</a> <em class="jxr_javadoccomment">	 * Because SO_RCVBUF is a hint, applications that want to verify what size</em>
<a class="jxr_linenumber" name="382" href="#382">382</a> <em class="jxr_javadoccomment">	 * the buffers were set to should call {@link #getReceiveBufferSize()}.</em>
<a class="jxr_linenumber" name="383" href="#383">383</a> <em class="jxr_javadoccomment">	 * &lt;p&gt;</em>
<a class="jxr_linenumber" name="384" href="#384">384</a> <em class="jxr_javadoccomment">	 * Increasing SO_RCVBUF may allow the network implementation to buffer</em>
<a class="jxr_linenumber" name="385" href="#385">385</a> <em class="jxr_javadoccomment">	 * multiple packets when packets arrive faster than are being received using</em>
<a class="jxr_linenumber" name="386" href="#386">386</a> <em class="jxr_javadoccomment">	 * {@link #receive(DatagramPacket)}.</em>
<a class="jxr_linenumber" name="387" href="#387">387</a> <em class="jxr_javadoccomment">	 * &lt;p&gt;</em>
<a class="jxr_linenumber" name="388" href="#388">388</a> <em class="jxr_javadoccomment">	 * Note: It is implementation specific if a packet larger than SO_RCVBUF can</em>
<a class="jxr_linenumber" name="389" href="#389">389</a> <em class="jxr_javadoccomment">	 * be received.</em>
<a class="jxr_linenumber" name="390" href="#390">390</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="391" href="#391">391</a> <em class="jxr_javadoccomment">	 * @param size</em>
<a class="jxr_linenumber" name="392" href="#392">392</a> <em class="jxr_javadoccomment">	 *            the size to which to set the receive buffer size. This value</em>
<a class="jxr_linenumber" name="393" href="#393">393</a> <em class="jxr_javadoccomment">	 *            must be greater than 0.</em>
<a class="jxr_linenumber" name="394" href="#394">394</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="395" href="#395">395</a> <em class="jxr_javadoccomment">	 * @exception SocketException</em>
<a class="jxr_linenumber" name="396" href="#396">396</a> <em class="jxr_javadoccomment">	 *                if there is an error in the underlying protocol, such as</em>
<a class="jxr_linenumber" name="397" href="#397">397</a> <em class="jxr_javadoccomment">	 *                an UDP error.</em>
<a class="jxr_linenumber" name="398" href="#398">398</a> <em class="jxr_javadoccomment">	 * @exception IllegalArgumentException</em>
<a class="jxr_linenumber" name="399" href="#399">399</a> <em class="jxr_javadoccomment">	 *                if the value is 0 or is negative.</em>
<a class="jxr_linenumber" name="400" href="#400">400</a> <em class="jxr_javadoccomment">	 * @see #getReceiveBufferSize()</em>
<a class="jxr_linenumber" name="401" href="#401">401</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="402" href="#402">402</a> 	<strong class="jxr_keyword">void</strong> setReceiveBufferSize(<strong class="jxr_keyword">int</strong> size) <strong class="jxr_keyword">throws</strong> SocketException;
<a class="jxr_linenumber" name="403" href="#403">403</a> 
<a class="jxr_linenumber" name="404" href="#404">404</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="405" href="#405">405</a> <em class="jxr_javadoccomment">	 * Get value of the SO_RCVBUF option for this &lt;tt&gt;DatagramSocket&lt;/tt&gt;, that</em>
<a class="jxr_linenumber" name="406" href="#406">406</a> <em class="jxr_javadoccomment">	 * is the buffer size used by the platform for input on this</em>
<a class="jxr_linenumber" name="407" href="#407">407</a> <em class="jxr_javadoccomment">	 * &lt;tt&gt;DatagramSocket&lt;/tt&gt;.</em>
<a class="jxr_linenumber" name="408" href="#408">408</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="409" href="#409">409</a> <em class="jxr_javadoccomment">	 * @return the value of the SO_RCVBUF option for this</em>
<a class="jxr_linenumber" name="410" href="#410">410</a> <em class="jxr_javadoccomment">	 *         &lt;tt&gt;DatagramSocket&lt;/tt&gt;</em>
<a class="jxr_linenumber" name="411" href="#411">411</a> <em class="jxr_javadoccomment">	 * @exception SocketException</em>
<a class="jxr_linenumber" name="412" href="#412">412</a> <em class="jxr_javadoccomment">	 *                if there is an error in the underlying protocol, such as</em>
<a class="jxr_linenumber" name="413" href="#413">413</a> <em class="jxr_javadoccomment">	 *                an UDP error.</em>
<a class="jxr_linenumber" name="414" href="#414">414</a> <em class="jxr_javadoccomment">	 * @see #setReceiveBufferSize(int)</em>
<a class="jxr_linenumber" name="415" href="#415">415</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="416" href="#416">416</a> 	<strong class="jxr_keyword">int</strong> getReceiveBufferSize() <strong class="jxr_keyword">throws</strong> SocketException;
<a class="jxr_linenumber" name="417" href="#417">417</a> 
<a class="jxr_linenumber" name="418" href="#418">418</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="419" href="#419">419</a> <em class="jxr_javadoccomment">	 * Enable/disable the SO_REUSEADDR socket option.</em>
<a class="jxr_linenumber" name="420" href="#420">420</a> <em class="jxr_javadoccomment">	 * &lt;p&gt;</em>
<a class="jxr_linenumber" name="421" href="#421">421</a> <em class="jxr_javadoccomment">	 * For UDP sockets it may be necessary to bind more than one socket to the</em>
<a class="jxr_linenumber" name="422" href="#422">422</a> <em class="jxr_javadoccomment">	 * same socket address. This is typically for the purpose of receiving</em>
<a class="jxr_linenumber" name="423" href="#423">423</a> <em class="jxr_javadoccomment">	 * multicast packets (See {@link java.net.MulticastSocket}). The</em>
<a class="jxr_linenumber" name="424" href="#424">424</a> <em class="jxr_javadoccomment">	 * &lt;tt&gt;SO_REUSEADDR&lt;/tt&gt; socket option allows multiple sockets to be bound</em>
<a class="jxr_linenumber" name="425" href="#425">425</a> <em class="jxr_javadoccomment">	 * to the same socket address if the &lt;tt&gt;SO_REUSEADDR&lt;/tt&gt; socket option is</em>
<a class="jxr_linenumber" name="426" href="#426">426</a> <em class="jxr_javadoccomment">	 * enabled prior to binding the socket using {@link #bind(SocketAddress)}.</em>
<a class="jxr_linenumber" name="427" href="#427">427</a> <em class="jxr_javadoccomment">	 * &lt;p&gt;</em>
<a class="jxr_linenumber" name="428" href="#428">428</a> <em class="jxr_javadoccomment">	 * Note: This functionality is not supported by all existing platforms, so</em>
<a class="jxr_linenumber" name="429" href="#429">429</a> <em class="jxr_javadoccomment">	 * it is implementation specific whether this option will be ignored or not.</em>
<a class="jxr_linenumber" name="430" href="#430">430</a> <em class="jxr_javadoccomment">	 * However, if it is not supported then {@link #getReuseAddress()} will</em>
<a class="jxr_linenumber" name="431" href="#431">431</a> <em class="jxr_javadoccomment">	 * always return &lt;code&gt;false&lt;/code&gt;.</em>
<a class="jxr_linenumber" name="432" href="#432">432</a> <em class="jxr_javadoccomment">	 * &lt;p&gt;</em>
<a class="jxr_linenumber" name="433" href="#433">433</a> <em class="jxr_javadoccomment">	 * When a &lt;tt&gt;DatagramSocket&lt;/tt&gt; is created the initial setting of</em>
<a class="jxr_linenumber" name="434" href="#434">434</a> <em class="jxr_javadoccomment">	 * &lt;tt&gt;SO_REUSEADDR&lt;/tt&gt; is disabled.</em>
<a class="jxr_linenumber" name="435" href="#435">435</a> <em class="jxr_javadoccomment">	 * &lt;p&gt;</em>
<a class="jxr_linenumber" name="436" href="#436">436</a> <em class="jxr_javadoccomment">	 * The behaviour when &lt;tt&gt;SO_REUSEADDR&lt;/tt&gt; is enabled or disabled after a</em>
<a class="jxr_linenumber" name="437" href="#437">437</a> <em class="jxr_javadoccomment">	 * socket is bound (See {@link #isBound()}) is not defined.</em>
<a class="jxr_linenumber" name="438" href="#438">438</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="439" href="#439">439</a> <em class="jxr_javadoccomment">	 * @param on</em>
<a class="jxr_linenumber" name="440" href="#440">440</a> <em class="jxr_javadoccomment">	 *            whether to enable or disable the</em>
<a class="jxr_linenumber" name="441" href="#441">441</a> <em class="jxr_javadoccomment">	 * @exception SocketException</em>
<a class="jxr_linenumber" name="442" href="#442">442</a> <em class="jxr_javadoccomment">	 *                if an error occurs enabling or disabling the</em>
<a class="jxr_linenumber" name="443" href="#443">443</a> <em class="jxr_javadoccomment">	 *                &lt;tt&gt;SO_RESUEADDR&lt;/tt&gt; socket option, or the socket is</em>
<a class="jxr_linenumber" name="444" href="#444">444</a> <em class="jxr_javadoccomment">	 *                closed.</em>
<a class="jxr_linenumber" name="445" href="#445">445</a> <em class="jxr_javadoccomment">	 * @since 1.4</em>
<a class="jxr_linenumber" name="446" href="#446">446</a> <em class="jxr_javadoccomment">	 * @see #getReuseAddress()</em>
<a class="jxr_linenumber" name="447" href="#447">447</a> <em class="jxr_javadoccomment">	 * @see #bind(SocketAddress)</em>
<a class="jxr_linenumber" name="448" href="#448">448</a> <em class="jxr_javadoccomment">	 * @see #isBound()</em>
<a class="jxr_linenumber" name="449" href="#449">449</a> <em class="jxr_javadoccomment">	 * @see #isClosed()</em>
<a class="jxr_linenumber" name="450" href="#450">450</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="451" href="#451">451</a> 	<strong class="jxr_keyword">void</strong> setReuseAddress(<strong class="jxr_keyword">boolean</strong> on) <strong class="jxr_keyword">throws</strong> SocketException;
<a class="jxr_linenumber" name="452" href="#452">452</a> 
<a class="jxr_linenumber" name="453" href="#453">453</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="454" href="#454">454</a> <em class="jxr_javadoccomment">	 * Tests if SO_REUSEADDR is enabled.</em>
<a class="jxr_linenumber" name="455" href="#455">455</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="456" href="#456">456</a> <em class="jxr_javadoccomment">	 * @return a &lt;code&gt;boolean&lt;/code&gt; indicating whether or not SO_REUSEADDR is</em>
<a class="jxr_linenumber" name="457" href="#457">457</a> <em class="jxr_javadoccomment">	 *         enabled.</em>
<a class="jxr_linenumber" name="458" href="#458">458</a> <em class="jxr_javadoccomment">	 * @exception SocketException</em>
<a class="jxr_linenumber" name="459" href="#459">459</a> <em class="jxr_javadoccomment">	 *                if there is an error in the underlying protocol, such as</em>
<a class="jxr_linenumber" name="460" href="#460">460</a> <em class="jxr_javadoccomment">	 *                an UDP error.</em>
<a class="jxr_linenumber" name="461" href="#461">461</a> <em class="jxr_javadoccomment">	 * @since 1.4</em>
<a class="jxr_linenumber" name="462" href="#462">462</a> <em class="jxr_javadoccomment">	 * @see #setReuseAddress(boolean)</em>
<a class="jxr_linenumber" name="463" href="#463">463</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="464" href="#464">464</a> 	<strong class="jxr_keyword">boolean</strong> getReuseAddress() <strong class="jxr_keyword">throws</strong> SocketException;
<a class="jxr_linenumber" name="465" href="#465">465</a> 
<a class="jxr_linenumber" name="466" href="#466">466</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="467" href="#467">467</a> <em class="jxr_javadoccomment">	 * Enable/disable SO_BROADCAST.</em>
<a class="jxr_linenumber" name="468" href="#468">468</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="469" href="#469">469</a> <em class="jxr_javadoccomment">	 * @param on</em>
<a class="jxr_linenumber" name="470" href="#470">470</a> <em class="jxr_javadoccomment">	 *            whether or not to have broadcast turned on.</em>
<a class="jxr_linenumber" name="471" href="#471">471</a> <em class="jxr_javadoccomment">	 * @exception SocketException</em>
<a class="jxr_linenumber" name="472" href="#472">472</a> <em class="jxr_javadoccomment">	 *                if there is an error in the underlying protocol, such as</em>
<a class="jxr_linenumber" name="473" href="#473">473</a> <em class="jxr_javadoccomment">	 *                an UDP error.</em>
<a class="jxr_linenumber" name="474" href="#474">474</a> <em class="jxr_javadoccomment">	 * @since 1.4</em>
<a class="jxr_linenumber" name="475" href="#475">475</a> <em class="jxr_javadoccomment">	 * @see #getBroadcast()</em>
<a class="jxr_linenumber" name="476" href="#476">476</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="477" href="#477">477</a> 	<strong class="jxr_keyword">void</strong> setBroadcast(<strong class="jxr_keyword">boolean</strong> on) <strong class="jxr_keyword">throws</strong> SocketException;
<a class="jxr_linenumber" name="478" href="#478">478</a> 
<a class="jxr_linenumber" name="479" href="#479">479</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="480" href="#480">480</a> <em class="jxr_javadoccomment">	 * Tests if SO_BROADCAST is enabled.</em>
<a class="jxr_linenumber" name="481" href="#481">481</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="482" href="#482">482</a> <em class="jxr_javadoccomment">	 * @return a &lt;code&gt;boolean&lt;/code&gt; indicating whether or not SO_BROADCAST is</em>
<a class="jxr_linenumber" name="483" href="#483">483</a> <em class="jxr_javadoccomment">	 *         enabled.</em>
<a class="jxr_linenumber" name="484" href="#484">484</a> <em class="jxr_javadoccomment">	 * @exception SocketException</em>
<a class="jxr_linenumber" name="485" href="#485">485</a> <em class="jxr_javadoccomment">	 *                if there is an error in the underlying protocol, such as</em>
<a class="jxr_linenumber" name="486" href="#486">486</a> <em class="jxr_javadoccomment">	 *                an UDP error.</em>
<a class="jxr_linenumber" name="487" href="#487">487</a> <em class="jxr_javadoccomment">	 * @since 1.4</em>
<a class="jxr_linenumber" name="488" href="#488">488</a> <em class="jxr_javadoccomment">	 * @see #setBroadcast(boolean)</em>
<a class="jxr_linenumber" name="489" href="#489">489</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="490" href="#490">490</a> 	<strong class="jxr_keyword">boolean</strong> getBroadcast() <strong class="jxr_keyword">throws</strong> SocketException;
<a class="jxr_linenumber" name="491" href="#491">491</a> 
<a class="jxr_linenumber" name="492" href="#492">492</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="493" href="#493">493</a> <em class="jxr_javadoccomment">	 * Sets traffic class or type-of-service octet in the IP datagram header for</em>
<a class="jxr_linenumber" name="494" href="#494">494</a> <em class="jxr_javadoccomment">	 * datagrams sent from this DatagramSocket. As the underlying network</em>
<a class="jxr_linenumber" name="495" href="#495">495</a> <em class="jxr_javadoccomment">	 * implementation may ignore this value applications should consider it a</em>
<a class="jxr_linenumber" name="496" href="#496">496</a> <em class="jxr_javadoccomment">	 * hint.</em>
<a class="jxr_linenumber" name="497" href="#497">497</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="498" href="#498">498</a> <em class="jxr_javadoccomment">	 * &lt;P&gt;</em>
<a class="jxr_linenumber" name="499" href="#499">499</a> <em class="jxr_javadoccomment">	 * The tc &lt;B&gt;must&lt;/B&gt; be in the range &lt;code&gt; 0 &lt;= tc &lt;=</em>
<a class="jxr_linenumber" name="500" href="#500">500</a> <em class="jxr_javadoccomment">	 * 255&lt;/code&gt; or an IllegalArgumentException will be thrown.</em>
<a class="jxr_linenumber" name="501" href="#501">501</a> <em class="jxr_javadoccomment">	 * &lt;p&gt;</em>
<a class="jxr_linenumber" name="502" href="#502">502</a> <em class="jxr_javadoccomment">	 * Notes:</em>
<a class="jxr_linenumber" name="503" href="#503">503</a> <em class="jxr_javadoccomment">	 * &lt;p&gt;</em>
<a class="jxr_linenumber" name="504" href="#504">504</a> <em class="jxr_javadoccomment">	 * for Internet Protocol v4 the value consists of an octet with precedence</em>
<a class="jxr_linenumber" name="505" href="#505">505</a> <em class="jxr_javadoccomment">	 * and TOS fields as detailed in RFC 1349. The TOS field is bitset created</em>
<a class="jxr_linenumber" name="506" href="#506">506</a> <em class="jxr_javadoccomment">	 * by bitwise-or'ing values such the following :-</em>
<a class="jxr_linenumber" name="507" href="#507">507</a> <em class="jxr_javadoccomment">	 * &lt;p&gt;</em>
<a class="jxr_linenumber" name="508" href="#508">508</a> <em class="jxr_javadoccomment">	 * &lt;UL&gt;</em>
<a class="jxr_linenumber" name="509" href="#509">509</a> <em class="jxr_javadoccomment">	 * &lt;LI&gt;&lt;CODE&gt;IPTOS_LOWCOST (0x02)&lt;/CODE&gt;&lt;/LI&gt;</em>
<a class="jxr_linenumber" name="510" href="#510">510</a> <em class="jxr_javadoccomment">	 * &lt;LI&gt;&lt;CODE&gt;IPTOS_RELIABILITY (0x04)&lt;/CODE&gt;&lt;/LI&gt;</em>
<a class="jxr_linenumber" name="511" href="#511">511</a> <em class="jxr_javadoccomment">	 * &lt;LI&gt;&lt;CODE&gt;IPTOS_THROUGHPUT (0x08)&lt;/CODE&gt;&lt;/LI&gt;</em>
<a class="jxr_linenumber" name="512" href="#512">512</a> <em class="jxr_javadoccomment">	 * &lt;LI&gt;&lt;CODE&gt;IPTOS_LOWDELAY (0x10)&lt;/CODE&gt;&lt;/LI&gt;</em>
<a class="jxr_linenumber" name="513" href="#513">513</a> <em class="jxr_javadoccomment">	 * &lt;/UL&gt;</em>
<a class="jxr_linenumber" name="514" href="#514">514</a> <em class="jxr_javadoccomment">	 * The last low order bit is always ignored as this corresponds to the MBZ</em>
<a class="jxr_linenumber" name="515" href="#515">515</a> <em class="jxr_javadoccomment">	 * (must be zero) bit.</em>
<a class="jxr_linenumber" name="516" href="#516">516</a> <em class="jxr_javadoccomment">	 * &lt;p&gt;</em>
<a class="jxr_linenumber" name="517" href="#517">517</a> <em class="jxr_javadoccomment">	 * Setting bits in the precedence field may result in a SocketException</em>
<a class="jxr_linenumber" name="518" href="#518">518</a> <em class="jxr_javadoccomment">	 * indicating that the operation is not permitted.</em>
<a class="jxr_linenumber" name="519" href="#519">519</a> <em class="jxr_javadoccomment">	 * &lt;p&gt;</em>
<a class="jxr_linenumber" name="520" href="#520">520</a> <em class="jxr_javadoccomment">	 * for Internet Protocol v6 &lt;code&gt;tc&lt;/code&gt; is the value that would be</em>
<a class="jxr_linenumber" name="521" href="#521">521</a> <em class="jxr_javadoccomment">	 * placed into the sin6_flowinfo field of the IP header.</em>
<a class="jxr_linenumber" name="522" href="#522">522</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="523" href="#523">523</a> <em class="jxr_javadoccomment">	 * @param tc</em>
<a class="jxr_linenumber" name="524" href="#524">524</a> <em class="jxr_javadoccomment">	 *            an &lt;code&gt;int&lt;/code&gt; value for the bitset.</em>
<a class="jxr_linenumber" name="525" href="#525">525</a> <em class="jxr_javadoccomment">	 * @throws SocketException</em>
<a class="jxr_linenumber" name="526" href="#526">526</a> <em class="jxr_javadoccomment">	 *             if there is an error setting the traffic class or</em>
<a class="jxr_linenumber" name="527" href="#527">527</a> <em class="jxr_javadoccomment">	 *             type-of-service</em>
<a class="jxr_linenumber" name="528" href="#528">528</a> <em class="jxr_javadoccomment">	 * @since 1.4</em>
<a class="jxr_linenumber" name="529" href="#529">529</a> <em class="jxr_javadoccomment">	 * @see #getTrafficClass</em>
<a class="jxr_linenumber" name="530" href="#530">530</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="531" href="#531">531</a> 	<strong class="jxr_keyword">void</strong> setTrafficClass(<strong class="jxr_keyword">int</strong> tc) <strong class="jxr_keyword">throws</strong> SocketException;
<a class="jxr_linenumber" name="532" href="#532">532</a> 
<a class="jxr_linenumber" name="533" href="#533">533</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="534" href="#534">534</a> <em class="jxr_javadoccomment">	 * Gets traffic class or type-of-service in the IP datagram header for</em>
<a class="jxr_linenumber" name="535" href="#535">535</a> <em class="jxr_javadoccomment">	 * packets sent from this DatagramSocket.</em>
<a class="jxr_linenumber" name="536" href="#536">536</a> <em class="jxr_javadoccomment">	 * &lt;p&gt;</em>
<a class="jxr_linenumber" name="537" href="#537">537</a> <em class="jxr_javadoccomment">	 * As the underlying network implementation may ignore the traffic class or</em>
<a class="jxr_linenumber" name="538" href="#538">538</a> <em class="jxr_javadoccomment">	 * type-of-service set using {@link #setTrafficClass(int)} this method may</em>
<a class="jxr_linenumber" name="539" href="#539">539</a> <em class="jxr_javadoccomment">	 * return a different value than was previously set using the</em>
<a class="jxr_linenumber" name="540" href="#540">540</a> <em class="jxr_javadoccomment">	 * {@link #setTrafficClass(int)} method on this DatagramSocket.</em>
<a class="jxr_linenumber" name="541" href="#541">541</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="542" href="#542">542</a> <em class="jxr_javadoccomment">	 * @return the traffic class or type-of-service already set</em>
<a class="jxr_linenumber" name="543" href="#543">543</a> <em class="jxr_javadoccomment">	 * @throws SocketException</em>
<a class="jxr_linenumber" name="544" href="#544">544</a> <em class="jxr_javadoccomment">	 *             if there is an error obtaining the traffic class or</em>
<a class="jxr_linenumber" name="545" href="#545">545</a> <em class="jxr_javadoccomment">	 *             type-of-service value.</em>
<a class="jxr_linenumber" name="546" href="#546">546</a> <em class="jxr_javadoccomment">	 * @since 1.4</em>
<a class="jxr_linenumber" name="547" href="#547">547</a> <em class="jxr_javadoccomment">	 * @see #setTrafficClass(int)</em>
<a class="jxr_linenumber" name="548" href="#548">548</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="549" href="#549">549</a> 	<strong class="jxr_keyword">int</strong> getTrafficClass() <strong class="jxr_keyword">throws</strong> SocketException;
<a class="jxr_linenumber" name="550" href="#550">550</a> 
<a class="jxr_linenumber" name="551" href="#551">551</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="552" href="#552">552</a> <em class="jxr_javadoccomment">	 * Closes this datagram socket.</em>
<a class="jxr_linenumber" name="553" href="#553">553</a> <em class="jxr_javadoccomment">	 * &lt;p&gt;</em>
<a class="jxr_linenumber" name="554" href="#554">554</a> <em class="jxr_javadoccomment">	 * Any thread currently blocked in {@link #receive} upon this socket will</em>
<a class="jxr_linenumber" name="555" href="#555">555</a> <em class="jxr_javadoccomment">	 * throw a {@link SocketException}.</em>
<a class="jxr_linenumber" name="556" href="#556">556</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="557" href="#557">557</a> <em class="jxr_javadoccomment">	 * &lt;p&gt;</em>
<a class="jxr_linenumber" name="558" href="#558">558</a> <em class="jxr_javadoccomment">	 * If this socket has an associated channel then the channel is closed as</em>
<a class="jxr_linenumber" name="559" href="#559">559</a> <em class="jxr_javadoccomment">	 * well.</em>
<a class="jxr_linenumber" name="560" href="#560">560</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="561" href="#561">561</a> <em class="jxr_javadoccomment">	 * revised 1.4 spec JSR-51</em>
<a class="jxr_linenumber" name="562" href="#562">562</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="563" href="#563">563</a> 	<strong class="jxr_keyword">void</strong> close();
<a class="jxr_linenumber" name="564" href="#564">564</a> 
<a class="jxr_linenumber" name="565" href="#565">565</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="566" href="#566">566</a> <em class="jxr_javadoccomment">	 * Returns whether the socket is closed or not.</em>
<a class="jxr_linenumber" name="567" href="#567">567</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="568" href="#568">568</a> <em class="jxr_javadoccomment">	 * @return true if the socket has been closed</em>
<a class="jxr_linenumber" name="569" href="#569">569</a> <em class="jxr_javadoccomment">	 * @since 1.4</em>
<a class="jxr_linenumber" name="570" href="#570">570</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="571" href="#571">571</a> 	<strong class="jxr_keyword">boolean</strong> isClosed();
<a class="jxr_linenumber" name="572" href="#572">572</a> 
<a class="jxr_linenumber" name="573" href="#573">573</a> 	<em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="574" href="#574">574</a> <em class="jxr_javadoccomment">	 * Returns the unique {@link java.nio.channels.DatagramChannel} object</em>
<a class="jxr_linenumber" name="575" href="#575">575</a> <em class="jxr_javadoccomment">	 * associated with this datagram socket, if any.</em>
<a class="jxr_linenumber" name="576" href="#576">576</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="577" href="#577">577</a> <em class="jxr_javadoccomment">	 * &lt;p&gt;</em>
<a class="jxr_linenumber" name="578" href="#578">578</a> <em class="jxr_javadoccomment">	 * A datagram socket will have a channel if, and only if, the channel itself</em>
<a class="jxr_linenumber" name="579" href="#579">579</a> <em class="jxr_javadoccomment">	 * was created via the {@link java.nio.channels.DatagramChannel#open</em>
<a class="jxr_linenumber" name="580" href="#580">580</a> <em class="jxr_javadoccomment">	 * DatagramChannel.open} method.</em>
<a class="jxr_linenumber" name="581" href="#581">581</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="582" href="#582">582</a> <em class="jxr_javadoccomment">	 * @return the datagram channel associated with this datagram socket, or</em>
<a class="jxr_linenumber" name="583" href="#583">583</a> <em class="jxr_javadoccomment">	 *         &lt;tt&gt;null&lt;/tt&gt; if this socket was not created for a channel</em>
<a class="jxr_linenumber" name="584" href="#584">584</a> <em class="jxr_javadoccomment">	 * </em>
<a class="jxr_linenumber" name="585" href="#585">585</a> <em class="jxr_javadoccomment">	 * @since 1.4 spec JSR-51</em>
<a class="jxr_linenumber" name="586" href="#586">586</a> <em class="jxr_javadoccomment">	 */</em>
<a class="jxr_linenumber" name="587" href="#587">587</a> 	DatagramChannel getChannel();
<a class="jxr_linenumber" name="588" href="#588">588</a> 
<a class="jxr_linenumber" name="589" href="#589">589</a> }
</pre>
<hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body>
</html>

